forked from Imagelibrary/rtems
58c34961ca
This patch fixes a number of bugs in the cache when requests are made to read close to the end of the file and the data is copied from the top of the cache buffer to the bottom of the buffer. This was compounded by attempting to read past the end of the file. Closes #2754.
137 lines
2.8 KiB
C
137 lines
2.8 KiB
C
/*
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* COPYRIGHT (c) 2012 Chris Johns <chrisj@rtems.org>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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/**
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* @file
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*
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* @ingroup rtems_rtld
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*
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* @brief RTEMS Run-Time Link Editor Trace
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*
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* A configurable tracer for the RTL. See the header file for the enable and
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* disable.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include "rtl-trace.h"
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#if RTEMS_RTL_TRACE
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static rtems_rtl_trace_mask rtems_rtl_trace_flags;
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bool
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rtems_rtl_trace (rtems_rtl_trace_mask mask)
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{
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bool result = false;
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if (mask & rtems_rtl_trace_flags)
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result = true;
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return result;
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}
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rtems_rtl_trace_mask
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rtems_rtl_trace_set_mask (rtems_rtl_trace_mask mask)
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{
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rtems_rtl_trace_mask state = rtems_rtl_trace_flags;
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rtems_rtl_trace_flags |= mask;
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return state;
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}
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rtems_rtl_trace_mask
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rtems_rtl_trace_clear_mask (rtems_rtl_trace_mask mask)
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{
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rtems_rtl_trace_mask state = rtems_rtl_trace_flags;
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rtems_rtl_trace_flags &= ~mask;
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return state;
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}
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int
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rtems_rtl_trace_shell_command (int argc, char *argv[])
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{
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const char* table[] =
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{
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"detail",
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"warning",
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"load",
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"unload",
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"section",
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"symbol",
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"reloc",
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"global-sym",
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"load-sect",
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"allocator",
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"unresolved",
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"cache"
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};
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rtems_rtl_trace_mask set_value = 0;
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rtems_rtl_trace_mask clear_value = 0;
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bool set = true;
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int arg;
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int t;
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for (arg = 1; arg < argc; arg++)
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{
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if (argv[arg][0] == '-')
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{
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switch (argv[arg][1])
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{
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case 'h':
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printf ("usage: %s [-hl] [set/clear] [flags]\n", argv[0]);
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return 0;
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case 'l':
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printf ("%s: valid flags to set or clear are:\n", argv[0]);
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for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++)
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printf (" %s\n", table[t]);
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return 0;
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default:
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printf ("error: unknown option\n");
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return 1;
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}
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}
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else
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{
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if (strcmp (argv[arg], "set") == 0)
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set = true;
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if (strcmp (argv[arg], "clear") == 0)
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set = false;
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else if (strcmp (argv[arg], "all") == 0)
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{
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if (set)
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set_value = RTEMS_RTL_TRACE_ALL;
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else
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clear_value = RTEMS_RTL_TRACE_ALL;
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}
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else
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{
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for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++)
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{
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if (strcmp (argv[arg], table[t]) == 0)
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{
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if (set)
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set_value = 1 << t;
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else
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clear_value = 1 << t;
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break;
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}
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}
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}
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rtems_rtl_trace_flags |= set_value;
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rtems_rtl_trace_flags &= ~clear_value;
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}
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}
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return 0;
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}
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#endif
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